Re: [patch 3/8] x86/entry/common: Mark syscall entry points notrace/nokprobe

Frederic Weisbecker
2020-02-27T23:15:22Z

On Tue, Feb 25, 2020 at 11:08:04PM +0100, Thomas Gleixner wrote:
> Anything before enter_from_user_mode() is not safe to be traced or probed.

Perhaps the changelog should clarify as to why exactly it isn't
safe to trace before enter_from_user_mode(). There have been
so many patches on that lately that I'm not clear on that either.

Thanks.